// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_CERT_STH_OBSERVER_H_
#define NET_CERT_STH_OBSERVER_H_

#include <set>

#include "net/base/net_export.h"

namespace net {

namespace ct {

    struct SignedTreeHead;

    // Interface for receiving notifications of new STHs observed.
    class NET_EXPORT STHObserver {
    public:
        virtual ~STHObserver() { }

        // Called with a new |sth| when one is observed.
        virtual void NewSTHObserved(const SignedTreeHead& sth) = 0;
    };

} // namespace ct

} // namespace net

#endif // NET_CERT_STH_OBSERVER_H_
